A very important part of chemistry is understanding the structure of atoms and ... of protons in an atom is called its atomic number. The atoms of each element in the periodic table have different ...

and the apparently widely different assumptions which have been introduced in various recent attempts to develop a theory of atomic constitution capable of accounting for other physical and ...

Which are the heaviest metals on earth? And what are their uses? Discover the metal that ranks heaviest based on density and ...

Photo: Niels Bohr's research notes for his new atomic theory Rutherford's find ... emitted by the radioactive element radium) at a sheet of gold foil only 1/3000 of an inch thick, and tracing ...

organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic number. Scientists use the periodic table to quickly refer to information ...

More than 75 years after its initial discovery, scientists have created an organometallic molecule containing the transuranium element berkelium. According to a new study, the electronic signature of ...

The approach stabilizes rubidium in wide-bandgap perovskites, minimizing non-radiative recombination and pushing efficiency ...